(venv) rbr4t@rbr4t-Linux:~/yhiselamu-p2evikCOPY$ gunicorn backend:app [2023-03-12 22:44:21 +0200] [29357] [INFO] Starting gunicorn 20.1.0 [2023-03-12 22:44:21 +0200] [29357] [INFO] Listening at: http://127.0.0.1:8000 (29357) [2023-03-12 22:44:21 +0200] [29357] [INFO] Using worker: sync [2023-03-12 22:44:21 +0200] [29358] [INFO] Booting worker with pid: 29358 [2023-03-12 22:44:21 +0200] [29358] [ERROR] Exception in worker process Traceback (most recent call last): File "/home/rbr4t/yhiselamu-p2evik/backend/venv/lib/python3.10/site-packages/sqlalchemy/engine/base.py", line 3361, in _wrap_pool_connect return fn() File "/home/rbr4t/yhiselamu-p2evik/backend/venv/lib/python3.10/site-packages/sqlalchemy/pool/base.py", line 325, in connect return _ConnectionFairy._checkout(self) File "/home/rbr4t/yhiselamu-p2evik/backend/venv/lib/python3.10/site-packages/sqlalchemy/pool/base.py", line 888, in _checkout fairy = _ConnectionRecord.checkout(pool) File "/home/rbr4t/yhiselamu-p2evik/backend/venv/lib/python3.10/site-packages/sqlalchemy/pool/base.py", line 491, in checkout rec = pool._do_get() File "/home/rbr4t/yhiselamu-p2evik/backend/venv/lib/python3.10/site-packages/sqlalchemy/pool/impl.py", line 145, in _do_get with util.safe_reraise(): File "/home/rbr4t/yhiselamu-p2evik/backend/venv/lib/python3.10/site-packages/sqlalchemy/util/langhelpers.py", line 70, in __exit__ compat.raise_( File "/home/rbr4t/yhiselamu-p2evik/backend/venv/lib/python3.10/site-packages/sqlalchemy/util/compat.py", line 210, in raise_ raise exception File "/home/rbr4t/yhiselamu-p2evik/backend/venv/lib/python3.10/site-packages/sqlalchemy/pool/impl.py", line 143, in _do_get return self._create_connection() File "/home/rbr4t/yhiselamu-p2evik/backend/venv/lib/python3.10/site-packages/sqlalchemy/pool/base.py", line 271, in _create_connection return _ConnectionRecord(self) File "/home/rbr4t/yhiselamu-p2evik/backend/venv/lib/python3.10/site-packages/sqlalchemy/pool/base.py", line 386, in __init__ self.__connect() File "/home/rbr4t/yhiselamu-p2evik/backend/venv/lib/python3.10/site-packages/sqlalchemy/pool/base.py", line 684, in __connect with util.safe_reraise(): File "/home/rbr4t/yhiselamu-p2evik/backend/venv/lib/python3.10/site-packages/sqlalchemy/util/langhelpers.py", line 70, in __exit__ compat.raise_( File "/home/rbr4t/yhiselamu-p2evik/backend/venv/lib/python3.10/site-packages/sqlalchemy/util/compat.py", line 210, in raise_ raise exception File "/home/rbr4t/yhiselamu-p2evik/backend/venv/lib/python3.10/site-packages/sqlalchemy/pool/base.py", line 680, in __connect self.dbapi_connection = connection = pool._invoke_creator(self) File "/home/rbr4t/yhiselamu-p2evik/backend/venv/lib/python3.10/site-packages/sqlalchemy/engine/create.py", line 578, in connect return dialect.connect(*cargs, **cparams) File "/home/rbr4t/yhiselamu-p2evik/backend/venv/lib/python3.10/site-packages/sqlalchemy/engine/default.py", line 598, in connect return self.dbapi.connect(*cargs, **cparams) File "/home/rbr4t/yhiselamu-p2evik/backend/venv/lib/python3.10/site-packages/psycopg2/__init__.py", line 122, in connect conn = _connect(dsn, connection_factory=connection_factory, **kwasync) psycopg2.OperationalError: could not translate host name "None" to address: Temporary failure in name resolution The above exception was the direct cause of the following exception: Traceback (most recent call last): File "/home/rbr4t/yhiselamu-p2evik/backend/venv/lib/python3.10/site-packages/gunicorn/arbiter.py", line 589, in spawn_worker worker.init_process() File "/home/rbr4t/yhiselamu-p2evik/backend/venv/lib/python3.10/site-packages/gunicorn/workers/base.py", line 134, in init_process self.load_wsgi() File "/home/rbr4t/yhiselamu-p2evik/backend/venv/lib/python3.10/site-packages/gunicorn/workers/base.py", line 146, in load_wsgi self.wsgi = self.app.wsgi() File "/home/rbr4t/yhiselamu-p2evik/backend/venv/lib/python3.10/site-packages/gunicorn/app/base.py", line 67, in wsgi self.callable = self.load() File "/home/rbr4t/yhiselamu-p2evik/backend/venv/lib/python3.10/site-packages/gunicorn/app/wsgiapp.py", line 58, in load return self.load_wsgiapp() File "/home/rbr4t/yhiselamu-p2evik/backend/venv/lib/python3.10/site-packages/gunicorn/app/wsgiapp.py", line 48, in load_wsgiapp return util.import_app(self.app_uri) File "/home/rbr4t/yhiselamu-p2evik/backend/venv/lib/python3.10/site-packages/gunicorn/util.py", line 359, in import_app mod = importlib.import_module(module) File "/usr/lib/python3.10/importlib/__init__.py", line 126, in import_module return _bootstrap._gcd_import(name[level:], package, level) File "", line 1050, in _gcd_import File "", line 1027, in _find_and_load File "", line 1006, in _find_and_load_unlocked File "", line 688, in _load_unlocked File "", line 883, in exec_module File "", line 241, in _call_with_frames_removed File "/home/rbr4t/yhiselamu-p2evikCOPY/backend/__init__.py", line 57, in app = create_app() File "/home/rbr4t/yhiselamu-p2evikCOPY/backend/__init__.py", line 47, in create_app create_db(app) File "/home/rbr4t/yhiselamu-p2evikCOPY/backend/__init__.py", line 54, in create_db db.create_all() File "/home/rbr4t/yhiselamu-p2evik/backend/venv/lib/python3.10/site-packages/flask_sqlalchemy/extension.py", line 868, in create_all self._call_for_binds(bind_key, "create_all") File "/home/rbr4t/yhiselamu-p2evik/backend/venv/lib/python3.10/site-packages/flask_sqlalchemy/extension.py", line 849, in _call_for_binds getattr(metadata, op_name)(bind=engine) File "/home/rbr4t/yhiselamu-p2evik/backend/venv/lib/python3.10/site-packages/sqlalchemy/sql/schema.py", line 4930, in create_all bind._run_ddl_visitor( File "/home/rbr4t/yhiselamu-p2evik/backend/venv/lib/python3.10/site-packages/sqlalchemy/engine/base.py", line 3227, in _run_ddl_visitor with self.begin() as conn: File "/home/rbr4t/yhiselamu-p2evik/backend/venv/lib/python3.10/site-packages/sqlalchemy/engine/base.py", line 3143, in begin conn = self.connect(close_with_result=close_with_result) File "/home/rbr4t/yhiselamu-p2evik/backend/venv/lib/python3.10/site-packages/sqlalchemy/engine/base.py", line 3315, in connect return self._connection_cls(self, close_with_result=close_with_result) File "/home/rbr4t/yhiselamu-p2evik/backend/venv/lib/python3.10/site-packages/sqlalchemy/engine/base.py", line 96, in __init__ else engine.raw_connection() File "/home/rbr4t/yhiselamu-p2evik/backend/venv/lib/python3.10/site-packages/sqlalchemy/engine/base.py", line 3394, in raw_connection return self._wrap_pool_connect(self.pool.connect, _connection) File "/home/rbr4t/yhiselamu-p2evik/backend/venv/lib/python3.10/site-packages/sqlalchemy/engine/base.py", line 3364, in _wrap_pool_connect Connection._handle_dbapi_exception_noconnection( File "/home/rbr4t/yhiselamu-p2evik/backend/venv/lib/python3.10/site-packages/sqlalchemy/engine/base.py", line 2198, in _handle_dbapi_exception_noconnection util.raise_( File "/home/rbr4t/yhiselamu-p2evik/backend/venv/lib/python3.10/site-packages/sqlalchemy/util/compat.py", line 210, in raise_ raise exception File "/home/rbr4t/yhiselamu-p2evik/backend/venv/lib/python3.10/site-packages/sqlalchemy/engine/base.py", line 3361, in _wrap_pool_connect return fn() File "/home/rbr4t/yhiselamu-p2evik/backend/venv/lib/python3.10/site-packages/sqlalchemy/pool/base.py", line 325, in connect return _ConnectionFairy._checkout(self) File "/home/rbr4t/yhiselamu-p2evik/backend/venv/lib/python3.10/site-packages/sqlalchemy/pool/base.py", line 888, in _checkout fairy = _ConnectionRecord.checkout(pool) File "/home/rbr4t/yhiselamu-p2evik/backend/venv/lib/python3.10/site-packages/sqlalchemy/pool/base.py", line 491, in checkout rec = pool._do_get() File "/home/rbr4t/yhiselamu-p2evik/backend/venv/lib/python3.10/site-packages/sqlalchemy/pool/impl.py", line 145, in _do_get with util.safe_reraise(): File "/home/rbr4t/yhiselamu-p2evik/backend/venv/lib/python3.10/site-packages/sqlalchemy/util/langhelpers.py", line 70, in __exit__ compat.raise_( File "/home/rbr4t/yhiselamu-p2evik/backend/venv/lib/python3.10/site-packages/sqlalchemy/util/compat.py", line 210, in raise_ raise exception File "/home/rbr4t/yhiselamu-p2evik/backend/venv/lib/python3.10/site-packages/sqlalchemy/pool/impl.py", line 143, in _do_get return self._create_connection() File "/home/rbr4t/yhiselamu-p2evik/backend/venv/lib/python3.10/site-packages/sqlalchemy/pool/base.py", line 271, in _create_connection return _ConnectionRecord(self) File "/home/rbr4t/yhiselamu-p2evik/backend/venv/lib/python3.10/site-packages/sqlalchemy/pool/base.py", line 386, in __init__ self.__connect() File "/home/rbr4t/yhiselamu-p2evik/backend/venv/lib/python3.10/site-packages/sqlalchemy/pool/base.py", line 684, in __connect with util.safe_reraise(): File "/home/rbr4t/yhiselamu-p2evik/backend/venv/lib/python3.10/site-packages/sqlalchemy/util/langhelpers.py", line 70, in __exit__ compat.raise_( File "/home/rbr4t/yhiselamu-p2evik/backend/venv/lib/python3.10/site-packages/sqlalchemy/util/compat.py", line 210, in raise_ raise exception File "/home/rbr4t/yhiselamu-p2evik/backend/venv/lib/python3.10/site-packages/sqlalchemy/pool/base.py", line 680, in __connect self.dbapi_connection = connection = pool._invoke_creator(self) File "/home/rbr4t/yhiselamu-p2evik/backend/venv/lib/python3.10/site-packages/sqlalchemy/engine/create.py", line 578, in connect return dialect.connect(*cargs, **cparams) File "/home/rbr4t/yhiselamu-p2evik/backend/venv/lib/python3.10/site-packages/sqlalchemy/engine/default.py", line 598, in connect return self.dbapi.connect(*cargs, **cparams) File "/home/rbr4t/yhiselamu-p2evik/backend/venv/lib/python3.10/site-packages/psycopg2/__init__.py", line 122, in connect conn = _connect(dsn, connection_factory=connection_factory, **kwasync) sqlalchemy.exc.OperationalError: (psycopg2.OperationalError) could not translate host name "None" to address: Temporary failure in name resolution (Background on this error at: https://sqlalche.me/e/14/e3q8) [2023-03-12 22:44:21 +0200] [29358] [INFO] Worker exiting (pid: 29358) [2023-03-12 22:44:22 +0200] [29357] [INFO] Shutting down: Master [2023-03-12 22:44:22 +0200] [29357] [INFO] Reason: Worker failed to boot.